<script setup>
import {ref} from 'vue'
import {Plus, Upload} from '@element-plus/icons-vue'
import {useUserStore} from '@/stores'
import {editUserAvatar} from '@/api/user.js'

const userStore = useUserStore()
const uploadRef = ref()
const imgUrl = ref(userStore.userInfo.user_pic)
// 选择图片预览1---转成base64
// 基于FileReader 读取图片做预览
const onUploadFile = (file) => {
  const reader = new FileReader()
  reader.readAsDataURL(file.raw)
  reader.onload = () => {
    // 图片地址：base64格式
    imgUrl.value = reader.result

    console.log(imgUrl.value)
  }
}

// 选择图片预览方法2
// const onUploadFile = (file) => {
//   //图片地址：网络地址格式
//   imgUrl.value = URL.createObjectURL(file.raw)
//   console.log(imgUrl.value)
// }
const upLoadPic = async () => {
  await editUserAvatar({avatar: imgUrl.value})
  await userStore.getUser()
  ElMessage.success('更新成功')
}
</script>

<template>
  <page-container title="更换头像">
    <el-row>
      <el-col :span="12">
        <el-upload
            ref="uploadRef"
            class="avatar-uploader"
            :auto-upload="false"
            :show-file-list="false"
            :on-change="onUploadFile"
        >
          <img v-if="imgUrl" :src="imgUrl" class="avatar"/>
          <img v-else src="@/assets/avatar.jpg" width="278"/>
        </el-upload>
        <br/>
        <el-button @click="uploadRef.$el.querySelector('input').click()" type="primary" :icon="Plus" size="large">
          选择图片
        </el-button>
        <el-button @click="upLoadPic" type="success" :icon="Upload" size="large">
          上传头像
        </el-button>
      </el-col>
    </el-row>
  </page-container>
</template>

<style lang="scss" scoped>
.avatar-uploader {
  :deep() {
    .avatar {
      width: 278px;
      height: 278px;
      display: block;
    }

    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }

    .el-upload:hover {
      border-color: var(--el-color-primary);
    }

    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 278px;
      height: 278px;
      text-align: center;
    }
  }
}
</style>
